Dengue Fever on the Upsurge in French Polynesia

In French Polynesia, recent epidemiological reports revealed a spike in dengue cases, with 30 new infections reported during Epidemiological Week 45. This rise reflects a total of 272 dengue cases since late November 2023, with the positivity rate hitting around 30%. The predominant serotype has shifted to DENV-1, making up 66% of confirmed cases, while DENV-2 accounts for 34%. Fortunately, no severe cases or fatalities have occurred despite the outbreak. Health officials continue to maintain a blue alert for both DENV-1 and DENV-2 to manage the increasingly concerning situation.

Watery Diarrhea Outbreak in Vanuatu

Meanwhile, in Vanuatu, the capital Port Vila is experiencing its first outbreak of watery diarrhea for 2024. Between November 4 and 17, 301 cases were recorded, triggering health authorities to maintain a grey alert status pending identification of the causative agent. Hospitals in the area, primarily Vila Central, NTM, and Saupia Health Centre, reported a slight decline in cases as of EpiWeek 46, yet vigilance remains crucial due to the potential for rapid transmission.

Pertussis Concerns Rising in the Pacific

French Polynesia is not alone in its battle against pertussis. Between June and November 2024, 313 confirmed cases were reported, with 39 occurring last week. While hospitalizations have decreased, health officials are on high alert, particularly for vulnerable infants, as a significant portion of cases involves this age group. The alert level remains at red.

New Caledonia is also grappling with pertussis, having reported 112 cases since April 2024, with women accounting for 60% of positive cases. The health statistics continue to underline the need for robust vaccination strategies to curb the spread of this highly contagious disease.

Emerging Avian Influenza Threat in Hawaii

On a different front, the Hawaiian Department of Health is monitoring a potential avian influenza threat after the H5N1 strain was detected at a wastewater site in Oʻahu. The situation arose following the discovery of the virus in a local backyard flock. Although there have been no confirmed human cases, the strain's introduction via migratory birds is being actively investigated. The health department emphasizes continued vigilance to prevent further spread.

COVID-19 Situation in Niue

In Niue, the government reported seven active COVID-19 cases as of November 21, emphasizing the importance of testing for anyone experiencing flu-like symptoms. While the situation remains relatively stable, health leaders are urging the public to remain cautious.

Australia Faces Dengue Outbreak in Torres Strait

In Australia, Queensland’s Torres Strait is under watch due to a recently declared dengue outbreak on Masig Island. As of November 19, the region has reported six cases, prompting immediate public health interventions including vector control measures and heightened community awareness.

Influenza Cases Spike in the Northern Marianas Islands and Beyond

Additionally, the Commonwealth of the Northern Marianas Islands and Kiribati have reported increases in influenza-like illnesses, suggesting a potential flu epidemic on the horizon. Notably, New Zealand declared early signs of a nationwide pertussis epidemic, with officials urging vaccination as a protective measure.

Conclusion

The Pacific region's health landscape is facing significant challenges as various infectious diseases surge. These rising trends highlight the imperative for coordinated public health responses and community cooperation to mitigate the threat of these emerging health crises. Health authorities urge residents to stay informed, maintain hygiene practices, and consider vaccinations where applicable to protect themselves and vulnerable populations.